Home / 92,917.58-138,674.18-83,949.53

Finding the Fourth Proportional to 92,917.58, 138,674.18 and 83,949.53

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Solution

The fourth proportional to 92,917.58, 138,674.18 and 83,949.53 is: 125,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.58 : 138,674.18 = 83,949.53 : x
  2. Step 2: Convert to fraction form
    92,917.58/138,674.18 = 83,949.53/x
  3. Step 3: Cross multiply
    92,917.58x = 138,674.18 × 83,949.53
  4. Step 4: Simplify right side
    92,917.58x = 11,641,631,750.64
  5. Step 5: Solve for x
    x = 11,641,631,750.64/92,917.58
  6. Step 6: Final answer
    x = 125,289.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.